The good Full range of detection and removal tools Effective behavioural detection engine ThreatFire The bad PC Tools' speed performance was unimpressive, and could be faster The interface is usable at the top level, but drilling down to more-advanced settings can be confusing and cluttered Users hoping for a fully functional trial should look elsewhere Historically, PC Tools' flagship product has been the reasonably priced Spyware Doctor. The full suite comes with the malware detection and removal tools that Spyware Doctor is known for as well as the recently enhanced ThreatFire behavioural detection engine, antivirus detection, spam filtering, layered browsing guards and a firewall. In terms of raw features, it's comparable to other internet security suites

More here:
PC Tools Internet Security 2010